11002113220 has 24 divisors (see below), whose sum is σ = 26405072064. Its totient is φ = 3772153056.

The previous prime is 11002113163. The next prime is 11002113233. The reversal of 11002113220 is 2231120011.

It is a self number, because there is not a number n which added to its sum of digits gives 11002113220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39293122 + ... + 39293401.

It is an arithmetic number, because the mean of its divisors is an integer number (1100211336).

Almost surely, 2^11002113220 is an apocalyptic number.

11002113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002113220 is an abundant number, since it is smaller than the sum of its proper divisors (15402958844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002113220 is a wasteful number, since it uses less digits than its factorization.

11002113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78586539 (or 78586537 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11002113220 its reverse (2231120011), we get a palindrome (13233233231).

The spelling of 11002113220 in words is "eleven billion, two million, one hundred thirteen thousand, two hundred twenty".